Trace Research Unit bees Plant Protection Department, Faculty of Science of Food and Agriculture, King Saud University and contains two first campus Dir'iyya and has a building used as a center of research is equipped with all the tools and supplies that are used in the studies and research bees such as the diagnosis of diseases and pests of bees and pollination Queens artificial breeding queens and production and the collection of bee products and study the sources of nectar and pollen, and other research and studies. The building also contains a room for sorting, classrooms, offices and laboratory.